Lanner LEC-2050 - Manual (Page 15)

LEC-2050 Fanless Embedded System User’s Manual
15
2.2.1 Connector Pin Assignments
J14:2X4-Pin PS/2 Keyboard&Mouse Header(2.54mm)
PIN DESCRIPTION PIN DESCRIPTION
1 5V 2 MSCLK
3 MSDATA 4 -
5 KBDATA 6 -
7 Ground 8 KBCLK
COM1 Pin Definition:
Serial Port Type
PIN NO.
RS-232 RS-485 RS-422
1
Data Carrier
Detect (DCDA #)
TXRX- TX-
2
Receive Data
(RXDA)
TXRX+ TX+
3
Transmit Data
(TXDA)
RX-
4
Data Terminal
Ready (DTRA #)
RX+
5 Ground (GND)
6
Data Set Ready
(DSRA #)
7
Request To Send
(RTSA #)
8
Clear To Send
(CTSA #)
9
Ring
Indicator(RIA#)
10 KEY
1 5
9 6
COM1